Select the windows handler and it will work. You can also sign with the PdfSignatureAppearance.WINCER_SIGNED and it will work directly.
Paulo > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Jens Kelkel > Sent: Friday, February 23, 2007 10:14 AM > To: Post all your questions about iText here > Subject: Re: [iText-questions] sign a PDF > > Hallo, > > Thanks for the answer. I have found the solution. The > keystore wasn't properly build. > But next problem is that I get a message form Acrobat Reader > (Version 8 German) that he couldn't find the handler to > verify the Signature. > > Now anybody, how I add a handler to the document? > > Here my code that I use: > > > KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType()); > URL url= > this.getClass().getClassLoader().getResource("anotherstore.jks"); > ks.load(new FileInputStream(url.getPath()), > "jk(JK)%jk".toCharArray()); > String alias = (String)ks.aliases().nextElement(); > PrivateKey key = (PrivateKey)ks.getKey(alias, > "jk(JK)%jk".toCharArray()); > > Certificate[] chain = ks.getCertificateChain(alias); > PdfReader reader2 = new PdfReader(out.toByteArray()); > ByteArrayOutputStream fout = new ByteArrayOutputStream(); > PdfStamper stp = PdfStamper.createSignature(reader2, fout, '\0'); > PdfSignatureAppearance sap = stp.getSignatureAppearance(); > sap.setCrypto(key, chain, null, > PdfSignatureAppearance.VERISIGN_SIGNED); > sap.setReason("Unterschrift Angebot"); > sap.setLocation("Saarbrücken"); > // comment next line to have an invisible signature > sap.setVisibleSignature(new Rectangle(100, 100, 200, 200), 1, null); > sap.setCertified(true); > stp.close(); > > Thanks > > Jens Kelkel > > -------- Original-Nachricht -------- > Datum: Thu, 22 Feb 2007 15:32:06 -0000 > Von: "Paulo Soares" <[EMAIL PROTECTED]> > An: "Post all your questions about iText here" > <[email protected]> > CC: > Betreff: Re: [iText-questions] sign a PDF > > > sap.setCrypto(key, chain, null, > PdfSignatureAppearance.VERISIGN_SIGNED); > > > > Maybe key or chain are null. > > > > Paulo > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED] On > > > Behalf Of Jens Kelkel > > > Sent: Thursday, February 22, 2007 2:16 PM > > > To: [email protected] > > > Subject: [iText-questions] sign a PDF > > > > > > Hello, > > > > > > I want to sign a PDF with the following code: > > > > > > KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType()); > > > System.out.println(ks.getProvider()); > > > ks.load(new > > > FileInputStream("C:\\j2sdk1.4.2_05\\bin\\keystore3.ks"), > > > pass.toCharArray()); > > > > > > String alias = (String)ks.aliases().nextElement(); > > > PrivateKey key = (PrivateKey)ks.getKey(alias, pass.toCharArray()); > > > > > > Certificate[] chain = ks.getCertificateChain(alias); > > > PdfReader reader = new PdfReader("c:\\Antrag.pdf"); > > > FileOutputStream fout = new FileOutputStream("c:\\signed.pdf"); > > > PdfStamper stp = PdfStamper.createSignature(reader, fout, '\0'); > > > PdfSignatureAppearance sap = stp.getSignatureAppearance(); > > > sap.setCrypto(key, chain, null, > > > PdfSignatureAppearance.VERISIGN_SIGNED); > > > sap.setReason("I'm the author"); > > > sap.setLocation("Saarbrücken"); > > > sap.setVisibleSignature(new Rectangle(100, 100, 200, > 200), 1, null); > > > sap.setCertified(true); > > > stp.close(); > > > > > > If I use a self signed Certificate the code run with no > > > problem. But if I import my Versign Certificate in the > > > keystore I get the follow Message. > > > > > > java.lang.NullPointerException > > > at > > > com.lowagie.text.pdf.PdfSignatureAppearance.getAppearance(PdfS > > > ignatureAppearance.java:395) > > > at > > > com.lowagie.text.pdf.PdfSignatureAppearance.preClose(PdfSignat > > > ureAppearance.java:902) > > > at > > > com.lowagie.text.pdf.PdfSignatureAppearance.preClose(PdfSignat > > > ureAppearance.java:847) > > > at com.lowagie.text.pdf.PdfStamper.close(PdfStamper.java:175) > > > at de.jens.kelkel.PDFSignature.main(PDFSignature.java:89) > > > Exception in thread "main" > > > > > > Have anybody a solution fort hat problem?? > > > > > > -- > > > Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten > zu sparen! > > > Ideal für Modem und ISDN: http://www.gmx.net/de/go/smartsurfer > > > > > > -------------------------------------------------------------- > > > ----------- > > > Take Surveys. Earn Cash. Influence the Future of IT > > > Join SourceForge.net's Techsay panel and you'll get the > > > chance to share your > > > opinions on IT & business topics through brief > surveys-and earn cash > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge > > > &CID=DEVDEV > > > _______________________________________________ > > > iText-questions mailing list > > > [email protected] > > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > > Buy the iText book: http://itext.ugent.be/itext-in-action/ > > > > > > > > > Aviso Legal: > > Esta mensagem é destinada exclusivamente ao destinatário. > Pode conter > > informação confidencial ou legalmente protegida. A > incorrecta transmissão > > desta mensagem não significa a perca de confidencialidade. Se esta > > mensagem for recebida por engano, por favor envie-a de > volta para o remetente e > > apague-a do seu sistema de imediato. É proibido a qualquer > pessoa que não o > > destinatário de usar, revelar ou distribuir qualquer parte desta > > mensagem. > > > > Disclaimer: > > This message is destined exclusively to the intended > receiver. It may > > contain confidential or legally protected information. The incorrect > > transmission of this message does not mean the loss of its > confidentiality. If this > > message is received by mistake, please send it back to the > sender and delete > > it from your system immediately. It is forbidden to any > person who is not > > the intended receiver to use, distribute or copy any part > of this message. > > > > > -------------------------------------------------------------- > ----------- > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the > chance to share > > your > > opinions on IT & business topics through brief surveys-and earn cash > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge > &CID=DEVDEV > > _______________________________________________ > > iText-questions mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/itext-questions > > Buy the iText book: http://itext.ugent.be/itext-in-action/ > > -- > "Feel free" - 5 GB Mailbox, 50 FreeSMS/Monat ... > Jetzt GMX ProMail testen: www.gmx.net/de/go/mailfooter/promail-out > > -------------------------------------------------------------- > ----------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the > chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge > &CID=DEVDEV > _______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > Buy the iText book: http://itext.ugent.be/itext-in-action/ > Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://itext.ugent.be/itext-in-action/
